Heater fan



FIG. 1 is a front elevation view of the heater fan showing my new design;

FIG. 2 is a side elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevation view of an alternate embodiment of a heater fan showing my new design;

FIG. 5 is a side elevation view of the alternate embodiment; and,

FIG. 6 is a top plan view of the alternate embodiment.

The broken-line disclosure in the views is for illustrative purposes only and forms no part of the claimed design. 

The design for the heater fan, as shown and described. 